//C10:10.14:arf.c -- deal with array.
#include <stdio.h>
#define SIZE  5

void show _array(const double ar[], int n);
void mult_array(double ar[], int n, double mult);

int main(void)
{
	double dip[SIZE] = {20.0, 17.66, 8.2, 15.3, 22.22};
	printf("The original dip array:\n");
	show_array(dip, SIZE);
	mult_array(dip, SIZE, 2.5);

	printf("The dip array after calling mult_array():\n");
	show_array(dip, SIZE);
}

void show_array(const double ar[], int n)
{
	int i;
	for (i = 0; i < n; i++)
	{
		printf("%8.3lf ", ar[i]);
	}
	putchar('\n');
}

void mult_array(double ar[], int n, double mult)
{
	int i; 
	for (i = 0; i < n; i++)
	{
		ar[i] *= mult;
	}
}

